Range change device
US9429230B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 2015 |
| Grant date | Aug 30, 2016 |
| Priority date | — |
| Expiry date | May 29, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2061/326
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Provided is a range change device which includes a main motor and an auxiliary motor, a sun gear which is joined to a motor shaft of the main motor, an auxiliary gear which is joined to a motor shaft of the auxiliary motor, a plurality of planetary gears which are engaged with the sun gear, an annular gear in which internal teeth engaged with the planetary gears and external teeth engaged with the auxiliary gear are formed, a carrier which supports the planetary gears in a state where the carrier allows the planetary gears to rotate and revolve and is rotatable on an external circumference of the motor shaft, a small gear which is mounted on the carrier and rotates about an axis of the motor shaft, and a large gear which is engaged with the small gear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.